149345806 has 4 divisors (see below), whose sum is σ = 224018712. Its totient is φ = 74672902.

The previous prime is 149345767. The next prime is 149345813. The reversal of 149345806 is 608543941.

149345806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37336450 + ... + 37336453.

It is an arithmetic number, because the mean of its divisors is an integer number (56004678).

Almost surely, 2^149345806 is an apocalyptic number.

149345806 is a deficient number, since it is larger than the sum of its proper divisors (74672906).

149345806 is an equidigital number, since it uses as much as digits as its factorization.

149345806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74672905.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 149345806 is about 12220.7121723736. The cubic root of 149345806 is about 530.5557313125. Note that the first 3 decimals are identical.

The spelling of 149345806 in words is "one hundred forty-nine million, three hundred forty-five thousand, eight hundred six".